nitro | 7e9a5036fe2c20513b4fc397b1c0a4ef51377cc88b462f42650a14c953a16bd6

Analysis

max time kernel
149s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2024 23:30

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General

Target

97d8e6f4f1b8eb550dc3bddbb248b517_JaffaCakes118.exe
Size

61KB
MD5

97d8e6f4f1b8eb550dc3bddbb248b517
SHA1

3f86d5392f592da72adfbddd00114dd5c84402d7
SHA256

7e9a5036fe2c20513b4fc397b1c0a4ef51377cc88b462f42650a14c953a16bd6
SHA512

05ce0112445c4ae61abb48e21ad4bafb3fe38f6b6d0fab9bf6d1ec56f2e4bdcdbee594e1ac00670421e3cbd4bbcd27fbec6971384102376999f5d94074a57950
SSDEEP

768:xKsMqCXfVcWO/M9ZkiANIUyyYLDwUzc80gmq3oP/oDw:xKseiM9ZkiAP2r/0O8/oE

Score

10^/10

nitro discovery persistence ransomware spyware stealer

Malware Config

Signatures

Nitro
A ransomware that demands Discord nitro gift codes to decrypt files.
ransomware nitro
Nitro family
nitro
Renames multiple (91) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\97d8e6f4f1b8eb550dc3bddbb248b517_JaffaCakes118.exe\""	97d8e6f4f1b8eb550dc3bddbb248b517_JaffaCakes118.exe

Drops desktop.ini file(s) 5 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Pictures\Saved Pictures\desktop.ini	97d8e6f4f1b8eb550dc3bddbb248b517_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	97d8e6f4f1b8eb550dc3bddbb248b517_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	97d8e6f4f1b8eb550dc3bddbb248b517_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	97d8e6f4f1b8eb550dc3bddbb248b517_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Pictures\Camera Roll\desktop.ini	97d8e6f4f1b8eb550dc3bddbb248b517_JaffaCakes118.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 6 IoCs

Web Service

T1102

flow	ioc
14	discord.com
15	discord.com
18	discord.com
19	discord.com
23	discord.com
46	discord.com

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
8	api.ipify.org
11	api.ipify.org

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png"	97d8e6f4f1b8eb550dc3bddbb248b517_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WMIC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	97d8e6f4f1b8eb550dc3bddbb248b517_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1048	97d8e6f4f1b8eb550dc3bddbb248b517_JaffaCakes118.exe
1048	97d8e6f4f1b8eb550dc3bddbb248b517_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 43 IoCs

description	pid	Process
Token: SeDebugPrivilege	1048	97d8e6f4f1b8eb550dc3bddbb248b517_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	1528	WMIC.exe
Token: SeSecurityPrivilege	1528	WMIC.exe
Token: SeTakeOwnershipPrivilege	1528	WMIC.exe
Token: SeLoadDriverPrivilege	1528	WMIC.exe
Token: SeSystemProfilePrivilege	1528	WMIC.exe
Token: SeSystemtimePrivilege	1528	WMIC.exe
Token: SeProfSingleProcessPrivilege	1528	WMIC.exe
Token: SeIncBasePriorityPrivilege	1528	WMIC.exe
Token: SeCreatePagefilePrivilege	1528	WMIC.exe
Token: SeBackupPrivilege	1528	WMIC.exe
Token: SeRestorePrivilege	1528	WMIC.exe
Token: SeShutdownPrivilege	1528	WMIC.exe
Token: SeDebugPrivilege	1528	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1528	WMIC.exe
Token: SeRemoteShutdownPrivilege	1528	WMIC.exe
Token: SeUndockPrivilege	1528	WMIC.exe
Token: SeManageVolumePrivilege	1528	WMIC.exe
Token: 33	1528	WMIC.exe
Token: 34	1528	WMIC.exe
Token: 35	1528	WMIC.exe
Token: 36	1528	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1528	WMIC.exe
Token: SeSecurityPrivilege	1528	WMIC.exe
Token: SeTakeOwnershipPrivilege	1528	WMIC.exe
Token: SeLoadDriverPrivilege	1528	WMIC.exe
Token: SeSystemProfilePrivilege	1528	WMIC.exe
Token: SeSystemtimePrivilege	1528	WMIC.exe
Token: SeProfSingleProcessPrivilege	1528	WMIC.exe
Token: SeIncBasePriorityPrivilege	1528	WMIC.exe
Token: SeCreatePagefilePrivilege	1528	WMIC.exe
Token: SeBackupPrivilege	1528	WMIC.exe
Token: SeRestorePrivilege	1528	WMIC.exe
Token: SeShutdownPrivilege	1528	WMIC.exe
Token: SeDebugPrivilege	1528	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1528	WMIC.exe
Token: SeRemoteShutdownPrivilege	1528	WMIC.exe
Token: SeUndockPrivilege	1528	WMIC.exe
Token: SeManageVolumePrivilege	1528	WMIC.exe
Token: 33	1528	WMIC.exe
Token: 34	1528	WMIC.exe
Token: 35	1528	WMIC.exe
Token: 36	1528	WMIC.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 1668	1048	97d8e6f4f1b8eb550dc3bddbb248b517_JaffaCakes118.exe	83
PID 1048 wrote to memory of 1668	1048	97d8e6f4f1b8eb550dc3bddbb248b517_JaffaCakes118.exe	83
PID 1048 wrote to memory of 1668	1048	97d8e6f4f1b8eb550dc3bddbb248b517_JaffaCakes118.exe	83
PID 1668 wrote to memory of 1528	1668	cmd.exe	85
PID 1668 wrote to memory of 1528	1668	cmd.exe	85
PID 1668 wrote to memory of 1528	1668	cmd.exe	85

C:\Users\Admin\AppData\Local\Temp\97d8e6f4f1b8eb550dc3bddbb248b517_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\97d8e6f4f1b8eb550dc3bddbb248b517_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1048
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1668
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic csproduct get uuid
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:1528

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Web Service

T1102

Exfiltration

Impact

Defacement

T1491

Replay Monitor

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Downloads

memory/1048-0-0x0000000074F0E000-0x0000000074F0F000-memory.dmp

Filesize
4KB

Download
memory/1048-1-0x0000000000930000-0x0000000000946000-memory.dmp

Filesize
88KB

Download
memory/1048-2-0x0000000005660000-0x0000000005C04000-memory.dmp

Filesize
5.6MB

Download
memory/1048-3-0x00000000051B0000-0x0000000005242000-memory.dmp

Filesize
584KB

Download
memory/1048-4-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/1048-26-0x0000000074F0E000-0x0000000074F0F000-memory.dmp

Filesize
4KB

Download
memory/1048-27-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/1048-100-0x0000000005F50000-0x0000000005F5A000-memory.dmp

Filesize
40KB

Download
memory/1048-101-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/1048-102-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/1048-103-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/1048-104-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download